TY - JOUR
T1 - Effects of adding ethanol to KOH electrolyte on electrochemical performance of titanium carbide-derived carbon
AU - Xu, Jiang
AU - Zhang, Ruijun
AU - Chen, Peng
AU - Ge, Shanhai
N1 - Funding Information:
Financial support of this work by National Natural Science Foundation of China (NSFC) under grant No. 50975247 is acknowledged. The authors thank Gold APP Instrument Corporation for the gas sorption analysis.
PY - 2014
Y1 - 2014
N2 - Porous carbide-derived carbons (CDCs) are synthesized from TiC at different chlorination temperatures as electrode materials for electrochemical capacitors. It is found that the microstructure of the produced CDCs has significant influence on both the hydrophilicity in aqueous KOH electrolyte and the resultant electrochemical performance. Because the TiC-CDC synthesized at higher temperature (e.g. 1000 C) contains well-ordered graphite ribbons, it shows lower hydrophilicity and specific capacitance. It is also found that addition of a small amount of ethanol to KOH electrolyte effectively improves the wettability of the CDCs synthesized at higher temperature and the corresponding specific capacitance. Compared with the CDC synthesized at 600 C, the CDC synthesized at 1000 C shows fast ion transport and excellent capacitive behavior in KOH electrolyte with addition of ethanol because of the existences of mesopores and high specific surface area.
AB - Porous carbide-derived carbons (CDCs) are synthesized from TiC at different chlorination temperatures as electrode materials for electrochemical capacitors. It is found that the microstructure of the produced CDCs has significant influence on both the hydrophilicity in aqueous KOH electrolyte and the resultant electrochemical performance. Because the TiC-CDC synthesized at higher temperature (e.g. 1000 C) contains well-ordered graphite ribbons, it shows lower hydrophilicity and specific capacitance. It is also found that addition of a small amount of ethanol to KOH electrolyte effectively improves the wettability of the CDCs synthesized at higher temperature and the corresponding specific capacitance. Compared with the CDC synthesized at 600 C, the CDC synthesized at 1000 C shows fast ion transport and excellent capacitive behavior in KOH electrolyte with addition of ethanol because of the existences of mesopores and high specific surface area.
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U2 - 10.1016/j.jpowsour.2013.07.069
DO - 10.1016/j.jpowsour.2013.07.069
M3 - Article
AN - SCOPUS:84881440440
SN - 0378-7753
VL - 246
SP - 132
EP - 140
JO - Journal of Power Sources
JF - Journal of Power Sources
ER -
